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Maker Modules

Circuit Modules


Various ready-made circuit modules for a variety of functions.
HY-SRF05 Ultrasonic Range Finder
ST089

HY-SRF05 Ultrasonic Range Finder

A successor to the HC-SR04 with reportedly improved range (around 4.5m) and accuracy. Detect the distance to objects in front of the sensor using an...
£2.09
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Relay Module 1Ch 5V with Optocoupler.
M017

Relay Module 1Ch 5V with Optocoupler.

Opto-isolated 10A Change-over Relay. On-board optocoupler circuit with power and relay active led indicators. Inputs for 5Vdc supply and relay...
£2.14
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ESP8266 Wi-Fi Module
M028

ESP8266 Wi-Fi Module

Add Wi-fi and web capabilities to your project with this module which is currently in rapid development. The onboard firmware can and should be...
£2.14
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Step-Down DC/DC Voltage Converter 1A - Variable Output
M058

Step-Down DC/DC Voltage Converter 1A - Variable Output

Input 4.75V - 40Vdc. Output 0.9V-30Vdc Power rating 6W. Output current 800mA max continuous, 1A short duration. High efficiency, high frequency buck...
£2.18
... more info
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PCF8591 8-bit ADC/DAC Module
M049

PCF8591 8-bit ADC/DAC Module

I2C comms interface - address 0x48 Supply voltage 2.5V - 6Vdc. Onboard light sensor, thermistor and potentiometer connected to three ADC channels via...
£2.35
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Motor Gearbox & Buggy Wheel
MTR8

Motor Gearbox & Buggy Wheel

Motor voltage range 3-12Vdc (5V-9V recommended). 70-250mA Motor & gearbox dimensions 70 x 22 x 18mm approx. 70-140 rpm approx. Torque 1kgf.cm approx....
£2.38
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Relay Module 2-Ch 5V with Optocouplers.
M064

Relay Module 2-Ch 5V with Optocouplers.

Double relay module. Inputs Gnd, Vcc (5Vdc), channel 1 signal (active low), channel 2 signal (active low). Channel signals are optically isolated...
£2.52
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USBasp
M008

USBasp

In-circuit programmer for AVR microcontrollers. Linux, Mac OSX and Windows compatible. Supplied with 10-way IDC lead.
£2.53
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5A Constant Current Step-Down DC/DC Converter
M065

5A Constant Current Step-Down DC/DC Converter

Input 4V - 38Vdc. Output 1.3V-36Vdc Constant max. output current can be varied up to 5A. 75W max. Set the output voltage off load, then set the...
£2.62
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Pro Mini ATMega328P 3.3V 8MHz
M071

Pro Mini ATMega328P 3.3V 8MHz

Clone of the Arduino Pro Mini with ATMega328P microcontroller operating at 3.3V 8MHz. 100% compatible. The Pro Mini was designed as a low cost...
£3.11
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Relay Module 4-Ch 5V with Optocouplers.
M081

Relay Module 4-Ch 5V with Optocouplers.

4-Channel relay module. Inputs Gnd, Vcc (5Vdc), channel select signal 1-4 (active low). Channel signals are optically isolated from the relay coils....
£3.11
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Motor Driver Shield
M085

Motor Driver Shield

Motor driver shield for Arduino - compatible with the Adafruit motor driver library. The board includes two L293D motor drivers and one 74HC595 shift...
£3.37
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ADS1115 4-Ch 16-bit ADC
M098

ADS1115 4-Ch 16-bit ADC

4-channel 16-bit ADC with I2C interface. Arduino and Python libraries available. Differential input capability. Continuous Mode: Only 150μA...
£3.50
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STM32F103C8T6 STM32 Blue Pill Module
M077

STM32F103C8T6 STM32 Blue Pill Module

Processor - Powerful ARM 32bit Cortex-M3 72MHz CPU 64K Flash memory & 20K SRAM. 33 I/O pins. and 3.3V operating voltage. Supplied with 0.1" pitch...
£3.52
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HM-10 Bluetooth Low Energy BLE Module
M040

HM-10 Bluetooth Low Energy BLE Module

BLE communication module based on the CC2541 IC. Power supply - 3.6V-6Vdc Logic level - 3.3V. For communication with Arduino boards use a simple...
£3.60
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15W+15W Bluetooth Stereo Amplifier Module
M099

15W+15W Bluetooth Stereo Amplifier Module

Stereo amplifier with bluetooth connectivity. Operating voltage - 8-26V dc supply. Audio power output - 15W x 2 with 16V supply. Class D operation...
£3.80
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Voltmeter & Ammeter 100V/10Adc.
M090

Voltmeter & Ammeter 100V/10Adc.

A panel mount dual function voltmeter and ammeter with LED display. Size: 48mm x 29mm x 22mm. Display: dual three digit 0.28" LED Operating voltage:...
£3.88
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Pro Mini ATMega328P 5V 16MHz
M074

Pro Mini ATMega328P 5V 16MHz

Clone of the Arduino Pro Mini with ATMega328P microcontroller operating at 5V 16MHz. 100% compatible. The Pro Mini was designed as a low cost...
£3.95
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Nano 3.0 Clone Basic
M057

Nano 3.0 Clone Basic

Clone of the Arduino Nano 3.0 with ATMega328P microcontroller. 100% compatible. This module does not have the header pins fitted (they are supplied...
£3.97
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ESP8266 DevKit Module V4 with CP2102 UART
M038

ESP8266 DevKit Module V4 with CP2102 UART

Based around the ESP8266 ESP-12 and NodeMCU firmware this module provides an integrated Arduino-like hardware platform for developing wifi IoT...
£4.66
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Relay Module 8-Ch 5V with Optocouplers.
M075

Relay Module 8-Ch 5V with Optocouplers.

8-Channel relay module. Inputs Gnd, channels 1-8 signal (active low), Vcc (5Vdc). Channel signals are optically isolated from the relay coils. Option...
£5.18
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Nano 3.0 Clone with lead.
M025

Nano 3.0 Clone with lead.

Clone of the Arduino Nano 3.0 with ATMega328P microcontroller. 100% compatible and includes a free USB cable.
£5.26
... more info
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HC-06 Bluetooth Slave Module
M027

HC-06 Bluetooth Slave Module

Bluetooth communications module mounted on base board for easy plug-in connection. Ideal for use in Arduino serial communication projects. Module...
£5.48
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HC-05 Bluetooth Master Slave Module
M026

HC-05 Bluetooth Master Slave Module

Bluetooth communications module mounted on base board for easy plug-in connection and voltage regulation. Ideal for use in Arduino serial...
£5.52
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BB_Duino Uno R3 - ATMega328P
M048

BB_Duino Uno R3 - ATMega328P

This clone of the Arduino Uno R3 uses a surface mount ATMega328P together with CH340G uart to handle the USB comms. 100% compatible and includes a...
£5.53
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RF Remote Relay 1Ch 12V
M089

RF Remote Relay 1Ch 12V

RF remote control switch. Consists of receiver module with 10A changeover relay and key-fob remote control with extendable antenna and sliding cover....
£6.00
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ESP32 Dev Board ESP-WROOM-32 30-Pin
M084

ESP32 Dev Board ESP-WROOM-32 30-Pin

Wi-fi and Bluetooth capable development board using the ESP-WROOM-32 chip. 32-bit dual core processor. Up to 240MHz with 512kB RAM. Peripherals...
£7.26
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Uno R3 Clone
M009

Uno R3 Clone

Clone of the Arduino Uno R3. DIL socket mounted processor 100% compatible and includes a USB cable.
£7.74
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Ethernet Shield with micro-SD Card Slot
M011

Ethernet Shield with micro-SD Card Slot

Connect your Arduino to the network or Internet. Includes a micro SD card slot. Note that the R3 Uno has a couple of extra ways on the female sockets...
£9.64
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AD9833 Signal Generator Module
M080

AD9833 Signal Generator Module

A breakout board for the AD9833 programmable waveform generator IC. Frequency range: 0-12.5MHz Waveforms: Sine, Square, Triangle. Frequency and phase...
£10.70
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